This is one Lot (Qty. 10) of New Sipex (Alpha) 2.85V/800mA Positive Voltage Low Drop-Out Regulator, Part Number: AS1117R-2.85 in DPAK Package.
Detail Spec on Web as follows:
http://pdf1.alldatasheet.com/datasheet-pdf/view/78500/ALPHA/AS1117R.html
http://rfbayinc.com/upload/files/data_sheet/ic/as1117.pdf